If accidental damage is covered under your laptop's warranty, don't do this fix yourself. Get the laptop repaired under the warranty. Anyway, understand that if you follow the instructions in this video, you do so at your own risk. There is no one or any representatives to be held responsible for injury, damage, or loss of data.
Here are the procedures:
http://www.youtube.com/v/nstes4o3WRk
This procedure isn't hard to follow but one must make sure the right tools are used. The screen doesn't cost too much too and can be bought from the laptop manufacturer's authorized parts dealer or a third-party supplier.
ref: cnet